<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page,index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl"/>
          </div>
          <p class="icon-desc" v-text="item.desc"></p>
        </div>
      </swiper-slide>
      <div class="swiper-pagination" slot="pagination"/>
    </swiper>

  </div>
</template>
<script>
  export default {
    name: 'HomeIcons',
    props: {
      list: Array
    },
    data: function () {
      return {
        swiperOption: {
          pagination: '.swiper-pagination'
        }
      }
    },
    computed: {
      pages: function () {
        var pages = []
        this.list.forEach((item, index) => {
          var page = Math.floor(index / 8)
          if (!pages[page]) {
            pages[page] = []
          }
          pages[page].push(item)
        })
        return pages
      }

    }
  }
</script>
<style lang="stylus" scoped>
  @import "~styles/varibles.styl"
  @import "~styles/mixins.styl"
  .icons >>> .swiper-container {
    height: 0
    padding-bottom: 50%
  }

  .icons {
    width: 100%
    overflow: hidden
    height: 0;
    padding-bottom: 50%
    margin-top: .1rem
  }

  .icon {
    position: relative
    width: 25%;
    float: left;
    padding-bottom: 25%
    overflow: hidden
    height: 0
  }

  .icon-img {
    position: absolute
    top: 0
    left: 0
    right: 0
    bottom: .44rem
    box-sizing: border-box
    padding: .1rem
  }

  .icon-img-content {
    height: 100%
    display: block
    margin: 0 auto

  }

  .icon-desc {
    position: absolute
    left: 0
    right: 0
    bottom: 0
    height: .44rem
    line-height: .44rem
    text-align: center
    color: $darkTextColor
    ellipsis()
  }

  .swiper-pagination {
    bottom 1px
  }
</style>
